<template>
  <div>
    <el-card class="box-card">
      <div slot="header" class="clearfix header-box">
        <span>文章分类</span>
        <el-button type="primary" size="mini" @click="addVisible = true"
          >添加分类</el-button
        >
      </div>
      <!-- 表格区域 -->
      <el-table style="width: 100%" :data="cateList" border>
        <el-table-column label="序号" type="index" width="50"></el-table-column>
        <el-table-column label="分类名称" prop="cate_name"></el-table-column>
        <el-table-column label="分类别名" prop="cate_alias"></el-table-column>
        <el-table-column label="操作">
          <template v-slot="{ row }">
            <el-button
              type="primary"
              size="mini"
              @click="showEditDialog(row.id)"
              >修改</el-button
            >
            <el-button type="danger" size="mini" @click="deleteArtCate(row.id)"
              >删除</el-button
            >
          </template>
        </el-table-column>
      </el-table>
    </el-card>
    <!-- 添加分类的对话框 -->
    <el-dialog
      title="添加文章分类"
      :visible.sync="addVisible"
      width="35%"
      @closed="$refs.addFormRef.resetFields()"
    >
      <!-- 添加的表单 -->
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="80px"
      >
        <el-form-item label="分类名称" prop="cate_name">
          <el-input
            v-model="addForm.cate_name"
            minlength="1"
            maxlength="10"
          ></el-input>
        </el-form-item>
        <el-form-item label="分类别名" prop="cate_alias">
          <el-input
            v-model="addForm.cate_alias"
            minlength="1"
            maxlength="15"
          ></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button size="mini" @click="addVisible = false">取 消</el-button>
        <el-button size="mini" type="primary" @click="addArtCate"
          >添 加</el-button
        >
      </span>
    </el-dialog>
    <!-- 添加分类的对话框 -->

    <!-- 添加分类的对话框 -->
    <el-dialog title="修改" :visible.sync="editVisible" width="35%">
      <!-- 添加的表单 -->
      <el-form
        :model="editForm"
        :rules="addFormRules"
        ref="editFormRef"
        label-width="80px"
        @closed="$refs.editFormRef.resetFields()"
      >
        <el-form-item label="分类名称" prop="cate_name">
          <el-input
            v-model="editForm.cate_name"
            minlength="1"
            maxlength="10"
          ></el-input>
        </el-form-item>
        <el-form-item label="分类别名" prop="cate_alias">
          <el-input
            v-model="editForm.cate_alias"
            minlength="1"
            maxlength="15"
          ></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button size="mini" @click="editVisible = false">取 消</el-button>
        <el-button size="mini" type="primary" @click="editArtCate"
          >确 定</el-button
        >
      </span>
    </el-dialog>
    <!-- 添加分类的对话框 -->
  </div>
</template>

<script>
export default {
  name: "ArtCate",
  data() {
    return {
      cateList: [],
      // DialogVisible控制添加文章分类对话框的显示和隐藏
      addVisible: false,
      // editDialogVisible控制修改文章分类对话框的显示和隐藏
      editVisible: false,
      // 保存文章分类的列表数据
      addForm: {
        cate_name: "",
        cate_alias: "",
      },
      editForm: {
        cate_name: "",
        cate_alias: "",
      },

      addFormRules: {
        cate_name: [
          { required: true, message: "请输入分类名称", trigger: "blur" },
          {
            pattern: /^\S{1,10}$/,
            message: "分类名必须是1-10位的非空字符",
            trigger: "blur",
          },
        ],
        cate_alias: [
          { required: true, message: "请输入分类别名", trigger: "blur" },
          {
            pattern: /^[a-zA-Z0-9]{1,15}$/,
            message: "分类别名必须是1-15位的字母数字",
            trigger: "blur",
          },
        ],
      },
    };
  },
  created() {
    //  初始化文章分类的列表
    this.initCateList();
  },
  // 修改文章分类
  methods: {
    deleteArtCate(id) {
      this.$confirm("此操作将永久删除该文件, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      })
        .then(async () => {
          // 发起请求删除对应的分类
          const { data: res } = await this.$http.delete("/my/cate/del", {
            params: { id },
          });

          // 判断是否删除成功
          if (res.code !== 0) return this.$message.error("删除分类失败！");
          this.$message.success("删除分类成功！");
          this.initCateList();
        })
        .catch((err) => err);
    },
    // 修改文章分类
    editArtCate() {
      // 表单预校验
      this.$refs.editFormRef.validate(async (valid) => {
        if (!valid) return;
        // 发起请求
        const { data: res } = await this.$http.put(
          "/my/cate/info",
          this.editForm
        );
        if (res.code !== 0) return this.$message.error("添加分类失败！");
        this.$message.success("添加分类成功！");
        // 关闭对话框
        this.editVisible = false;
        // 重新获取数据
        this.initCateList();
      });
    },

    async initCateList() {
      const { data: res } = await this.$http.get("/my/cate/list");
      if (res.code == 0) {
        console.log(res);
        this.cateList = res.data;
      }
    },
    async showEditDialog(id) {
      const { data: res } = await this.$http.get("/my/cate/info", {
        params: {
          id,
        },
      });
      if (res.code === 0) {
        this.editForm = res.data;
        this.editVisible = true;
      }
    },
    addArtCate() {
      // 表单预校验
      this.$refs.addFormRef.validate(async (valid) => {
        if (!valid) return;
        // 发起请求
        const { data: res } = await this.$http.post(
          "/my/cate/add",
          this.addForm
        );
        if (res.code !== 0) return this.$message.error("添加分类失败！");
        this.$message.success("添加分类成功！");
        // 关闭对话框
        this.addVisible = false;
        // 重新请求列表数据
        this.initCateList();
      });
    },
  },
};
</script>

<style lang="less" scoped>
.header-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
</style>
